ERICA MASCARENHAS
NPI 1114554474
Internal Medicine in Stanford, CA
About Erica Mascarenhas NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
ERICA MASCARENHAS (NPI 1114554474) is an individual internal medicine provider in Stanford, California, licensed in California (195686) and active in the NPI registry since March 2020. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses 2
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Erica Mascarenhas is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Erica Mascarenhas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
New Orleans, LA 70112
- Reassigned Medicare billing, Louisiana enrollment
- Medicare enrollment name: Administrators Of The Tulane Educational Fund
- 851 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims
Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.
Physician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 94305 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Other Providers at the Same Location NPPES 20
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
STANFORD, CA 94305
STANFORD, CA 94305
STANFORD, CA 94305
Frequently Asked Questions NPPES & CMS
Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.
What is Erica Mascarenhas's NPI number?
The NPI number for Erica Mascarenhas is 1114554474. It was assigned to this individual provider in the NPPES registry on March 26, 2020.
Where is Erica Mascarenhas located?
Erica Mascarenhas practices at 300 Pasteur Dr, Stanford, CA 94305. The listed phone number is (650) 723-5948.
What is Erica Mascarenhas's specialty?
The primary specialty registered for this NPI is Internal Medicine with taxonomy code 207R00000X.
Is Erica Mascarenhas enrolled in Medicare?
Yes. Erica Mascarenhas is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Erica Mascarenhas's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Erica Mascarenhas reassigns Medicare benefits to Administrators Of The Tulane Education Fund (New Orleans, LA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Erica Mascarenhas's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Erica Mascarenhas accept?
Health plans from HMO Louisiana list Erica Mascarenhas as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.
When was this NPI record last updated?
The NPPES record for Erica Mascarenhas was last updated on May 17, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.